Hi,
I have been building an app on top of the* helloworld-springboot* tutorial.
It is working great for APIs, but I wanted to add JSP support to include a
simple admin console.
So I modified the helloworld-springboot project as following:
1. Built a WEB-INF structure under src/main/webapp, including a jsp
directory
2. Modified application.properties to add spring.mvc.view.prefix and
spring.mvc.view.suffix
configuration that points to the directories in (1)
3. Added dependencies to the pom.xml file for tomcat and jstl
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<version>9.0.12</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
4. Added a new @controller to SpringBoot, with the corresponding
@GetMapping(s)
*Running locally with mvn spring-boot:run works great, including JSP
rendering, redirections, etc.*
*Now, when I deploy to GAE flex using the following yaml, the JSP fails to
render with:*
*/WEB-INF/jsp/foo.jsp 404 not found*
runtime: java
env: flex
runtime_config: # Optional
jdk: openjdk8
manual_scaling:
instances: 1
resources:
cpu: 1
memory_gb: 2
disk_size_gb: 10
*My questions are:*
- *Can you help me understand why JSP works locally but not deployed on
GAE? Is there any scope directive I am missing in the pom for the
tomcat-embed-jasper dependency?*
- *Do I need to use Jetty runtime to compile and render JSPs? I would
much rather use the standard spring boot embedded tomcat*
- *Do I need a web.xml with Tomcat? (I don't think that is the case)*
- *Does it matter selecting JAR vs. WAR as packaging?*
*Thanks in advance,*
*Daniel*
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